21909460 (number)

21909460 is an even 8-digits composite number following 21909459 and preceding 21909461. In scientific notation, it is written as 2.1909460 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors. There are 8741664 positive integers (up to 21909460) that are relatively prime to 21909460.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred nine thousand four hundred sixty

Notation

Scientific notation 2.1909460 × 10^7
Engineering notation 2.1909460 × 10^6

Prime Factorization of 21909460

Prime Factorization 2 × 2 × 5 × 2287 × 479

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10954730
Product of the distinct prime numbers

The prime factorization of 21909460 is 2 × 2 × 5 × 2287 × 479. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 2, 27, 93, 879, 626, 9855, 870, 88848, 41761, 479121, 476310, 6262134, 7927921, 39376587, 36401398, 712625408, 640373469, 3389128529, 2952409836

Basic calculations (n = 21909460)

Multiplication

n×y
n×2 43818920
n×3 65728380
n×4 87637840
n×5 109547300

Division

n÷y
n÷2 10954730
n÷3 7303153.3333333
n÷3 5477365
n÷5 4381892

Exponentiation

ny
n2 480024437491600
n3 1.0517076212245E+22
n4 2.3042346058913E+29
n5 5.0484535928391E+36

Nth Root

y√n
2√n 4680.7542127311
3√n 279.81901569499
4√n 68.416037686577
5√n 29.385043282166

Divisors of 21909460

1, 2, 4, 5, 10, 20, 479, 958, 1916, 2287, 2395, 4574, 4790, 9148, 9580, 11435, 22870, 45740, 1095473, 2190946, 4381892, 5477365, 10954730, 21909460

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21909459
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21909460 can be divided by 24 positive divisors. The sum of these divisors (counting 21909460) is 1, the average is 0.041666666666667.

Base conversion 21909460

Base System Value
2 Binary 1010011100100111111010100
3 Ternary 1112020010010111
4 Quaternary 1103210333110
5 Quinary 21102100320
6 Senary 2101332404
8 Octal 123447724
10 Decimal 21909460
12 Duodecimal 7407104
16 Hexadecimal 14e4fd4
20 Vigesimal 6gidd0
36 Base36 d1lg4

Cryptographic Hash Functions

md5 c5cbdabb73646f9c00a4cbd933dc44b3
sha1 089a653de812de2201a9d7a1dc704a4776ffc168
sha256 361dd8f37a3cad5d6565100202f083a71f832755e738d6ba71714fc0724b4c79
sha512 fe8ad3b6321ad7a25f88093aed2353208298186d21ffddd4b082accbd66068332ea7239565906c2dbd49fd43d28a7abffab028ecd505a1d38b4c8dddcdb69337
ripemd-160 8b064170bc66a0549c4ca001302411244d8ab883

21909460 as geometric shapes

Circle

Radius = n
Diameter 43818920
Circumference 137661197.16024
Area 1.5080412463672E+15

Sphere

Radius = n
Volume 4.4053825820843E+22
Surface area 6.0321649854687E+15
Circumference 137661197.16024

Square

Length = n
Perimeter 87637840
Area 480024437491600
Diagonal 30984655.476271

Cube

Length = n
Surface area 2880146624949600
Volume 1.0517076212245E+22
Space diagonal 37948297.886398

Equilateral Triangle

Length = n
Perimeter 65728380
Area 2.0785667865253E+14
Altitude 18974148.943199

Triangular Pyramid

Length = n
Surface area 2.0785667865253E+14
Volume 1.239449317989E+21
Height 10328218.49209